Improvement in molding cutter-heads



DANIEL STANLEY.

Improvement in Molding, Cutter Heads.

No ,125 765. Y PatentedApyilgqfyavz; Y

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UNITED STATES PATENT CEEIcE.

DANIEL STANLEY, OF CINCINNATI, OHIO, ASSIGNOR ATO HIMSELF AND HENRYDOANE, OF SAME PLACE.

IMPROVEMENT IN MOLDING CUTTER-HEADS.

Specification forming part of Letters Patent No, 125,765, dated April16, 1872.

I, DANIEL STANLEY, of Cincinnati, Hamilton county, State of Ohio, haveinvented a 4certain new and useful Improvement in Frizzing-Bits, ofwhich the following is a specification:

Nature cmd Objects of Invention.

M y invention relates to the class of frizzingblts or rotary cutters forwood-working maclunes which are adapted to reverse so as to present acutting-edge in either direction; and

Description of the Accompanying Drawing.

Figure 1 is a perspective view of my improved cutter. Fig. 2 is an axialsection of the same. Fig. 3 is a crosssection through the bits.

General Description.

A is the cutter-spindle, formed with a shank, a, for the reception ofthe bits, and screwthreaded at the end to provide for the fastening-nut.B is the inside collar or shoulder; C, the outside collar 5 and l), thenut used to secure the bits in place. E E are the bits or cutters, whichare first turned out of one piece of steel to the required form and cutradially so as to form four bits, sufficient to supply two a, for apurpose hereinafter explained. Pivots i or pins F are fitted between thebits and collars on each side, the pins being half in the collars andhalf in the bits, as shown in Fig. 2, for the purpose of permitting thebits to oscillate circumferentially and thus to present a cutting-edgein either direction of rotation, the bore of the bits permitting this,being larger than the shank a. The bore, however, is not so much largerthan the shank a as to permit great vibration, but, being but littlelarger, serves to prevent too great an oscillation, stopping the bits ineither direction at a4 point when the bits have suiiicient clearancebehind the cutting-edge, as shown in Fig.`3. When it is desirable toreverse the action of the cutter-head, the nut D isfslacked slightly',the bits thrown into the proper reversed position, and the nut againtightened.

Claim.

set my hand.

DANIEL STANLEY.

Witnesses:

HENRY MiLLwARD, JOHN A. CONN.

